import { type Firestore } from 'firebase/firestore';
export type OpType = 'FileWrite' | 'FileDelete' | 'FolderCreate' | 'FolderDelete' | 'FolderMove';
export type ActorType = 'user' | 'agent';
export type SubjectType = 'file' | 'folder';
export type Outcome = 'success' | 'integrity_error' | 'io_error' | 'permission_denied';
export interface OperationLogActor {
    type: ActorType;
    id: string;
}
export interface OperationLogSubject {
    type: SubjectType;
    id: string;
}
export interface OperationLogError {
    code: string;
    message: string;
}
export interface OperationLogEntryInput {
    orgId: string;
    actor: OperationLogActor;
    subject: OperationLogSubject;
    opType: OpType;
    path: string;
    outcome: Outcome;
    preContentHash?: string | null;
    postContentHash?: string | null;
    sizeBytes?: number | null;
    error?: OperationLogError | null;
    agentVersion?: string;
}
export interface LogOperationInput extends OperationLogEntryInput {
    db: Firestore;
}
export declare const DAEMON_AGENT_VERSION: string;
export interface OperationLogDoc {
    id: string;
    timestamp: string;
    actor: OperationLogActor;
    subject: OperationLogSubject;
    op_type: OpType;
    path: string;
    pre_content_hash: string | null;
    post_content_hash: string | null;
    size_bytes: number | null;
    outcome: Outcome;
    error: OperationLogError | null;
    agent_version: string;
    org_id: string;
}
export declare function buildOperationLogDoc(input: OperationLogEntryInput, now?: string, id?: string): OperationLogDoc;
export declare function logOperation(input: LogOperationInput): Promise<void>;
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